#! /bin/sh

### BEGIN INIT INFO
# Provides:		mapsearch
# Required-Start:	$remote_fs
# Required-Stop:	$remote_fs
# Default-Start:	2 3 4 5
# Default-Stop:		
# Short-Description:	PupuMaps map search server
### END INIT INFO

# SysV init script for MapSearch

set -e

MAPSEARCH_CFG="/etc/default/mapsearch"
MAPSEARCH_BIN="/usr/sbin/mapsearch"
MAPSEARCH_PIDFILE="/var/run/mapsearch.pid"


if test ! -x "$MAPSEARCH_BIN"; then
  echo "$MAPSEARCH_BIN does not exist or is not executable."
  exit 0
fi

umask 022

if test -f "$MAPSEARCH_CFG"; then
  . "$MAPSEARCH_CFG"
else
  echo "$MAPSEARCH_CFG does not exist."
  exit 0
fi

if test "x$MAPSEARCH_DIR" = "x"; then
  echo "MAPSEARCH_DIR not configured."
  exit 0
fi

if test ! -d "$MAPSEARCH_DIR"; then
  echo "$MAPSEARCH_DIR does not exist."
  exit 0
fi

. /lib/lsb/init-functions

THLIBS_DIR="${MAPSEARCH_DIR}/th-libs/"


update_map_data()
{
  if test ! -d "$MAPSEARCH_DIR/.hg"; then
    hg clone "$MAPSEARCH_REPO" "$MAPSEARCH_DIR"
  else
    cd "$MAPSEARCH_DIR" && hg pull && hg update
  fi
}


update_daemon()
{
  if test ! -d "$THLIBS_DIR/.hg"; then
    hg clone "$THLIBS_REPO" "$THLIBS_DIR"
  fi
  cd "$THLIBS_DIR" && hg pull && hg update
  cd "$MAPSEARCH_DIR" && make clean && make "bin/mapsearch" -j4 && cp "bin/mapsearch" "$MAPSEARCH_BIN"
}


case "$1" in
  start)
    update_daemon
    update_map_data
    log_daemon_msg "Starting PupuMaps map search server" "mapsearch" || true
    if start-stop-daemon --start --quiet --oknodo -m --background --pidfile "$MAPSEARCH_PIDFILE" --exec "$MAPSEARCH_BIN" -- $MAPSEARCH_ARGS $MAPSEARCH_OPTS; then
      log_end_msg 0 || true
    else
      log_end_msg 1 || true
    fi
    ;;

  stop)
    log_daemon_msg "Stopping PupuMaps map search server" "mapsearch" || true
    if start-stop-daemon --stop --quiet --oknodo --remove-pidfile --pidfile "$MAPSEARCH_PIDFILE"; then
      log_end_msg 0 || true
    else
      log_end_msg 1 || true
    fi
    ;;

  reload|force-reload)
    update_map_data
    log_daemon_msg "Reloading PupuMaps map search server's configuration" "mapsearch" || true
    if start-stop-daemon --stop --signal 1 --quiet --oknodo --remove-pidfile --pidfile "$MAPSEARCH_PIDFILE" --exec "$MAPSEARCH_BIN"; then
      log_end_msg 0 || true
    else
      log_end_msg 1 || true
    fi
    ;;

  restart)
    log_daemon_msg "Restarting PupuMaps map search server" "mapsearch" || true
    start-stop-daemon --stop --quiet --oknodo --retry 30 --remove-pidfile --pidfile "$MAPSEARCH_PIDFILE"
    update_map_data
    update_daemon
    if start-stop-daemon --start --quiet --oknodo -m --background --pidfile "$MAPSEARCH_PIDFILE" --exec "$MAPSEARCH_BIN" -- $MAPSEARCH_ARGS $MAPSEARCH_OPTS; then
      log_end_msg 0 || true
    else
      log_end_msg 1 || true
    fi
    ;;

  try-restart)
    log_daemon_msg "Restarting PupuMaps map search server" "mapsearch" || true
    RET=0
    start-stop-daemon --stop --quiet --retry 30 --remove-pidfile --pidfile "$MAPSEARCH_PIDFILE" || RET="$?"
    update_map_data
    update_daemon
    case $RET in
      0)
        # old daemon stopped
        if start-stop-daemon --start --quiet --oknodo -m --background --pidfile "$MAPSEARCH_PIDFILE" --exec "$MAPSEARCH_BIN" -- $MAPSEARCH_ARGS $MAPSEARCH_OPTS; then
          log_end_msg 0 || true
        else
          log_end_msg 1 || true
        fi
        ;;
      1)
        # daemon not running
        log_progress_msg "(not running)" || true
        log_end_msg 0 || true
        ;;
      *)
        # failed to stop
        log_progress_msg "(failed to stop)" || true
        log_end_msg 1 || true
        ;;
    esac
    ;;

  status)
    status_of_proc -p "$MAPSEARCH_PIDFILE" "$MAPSEARCH_BIN" mapsearch && exit 0 || exit $?
    ;;

  *)
    log_action_msg "Usage: /etc/init.d/mapsearch {start|stop|reload|force-reload|restart|try-restart|status}" || true
    exit 1
esac

exit 0